# Scrapy settings for csdnpersionalblog project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://docs.scrapy.org/en/latest/topics/settings.html
#     https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://docs.scrapy.org/en/latest/topics/spider-middleware.html

BOT_NAME = 'csdnpersionalblog'

SPIDER_MODULES = ['csdnpersionalblog.spiders']
NEWSPIDER_MODULE = 'csdnpersionalblog.spiders'

# Crawl responsibly by identifying yourself (and your website) on the user-agent
# USER_AGENT = 'csdnpersionalblog (+http://www.yourdomain.com)'

# Obey robots.txt rules
ROBOTSTXT_OBEY = True

# Configure maximum concurrent requests performed by Scrapy (default: 16)
# CONCURRENT_REQUESTS = 32

# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
# DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
# CONCURRENT_REQUESTS_PER_DOMAIN = 16
# CONCURRENT_REQUESTS_PER_IP = 16

# Disable cookies (enabled by default)
# COOKIES_ENABLED = False

# Disable Telnet Console (enabled by default)
# TELNETCONSOLE_ENABLED = False

# Override the default request headers:
# DEFAULT_REQUEST_HEADERS = {
#   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
#   'Accept-Language': 'en',
# }

# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
# SPIDER_MIDDLEWARES = {
#    'csdnpersionalblog.middlewares.CsdnpersionalblogSpiderMiddleware': 543,
# }

# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
DOWNLOADER_MIDDLEWARES = {
    'csdnpersionalblog.middlewares.CsdnRandomProxyMiddleware': 749,
}

# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
EXTENSIONS = {
    # 'scrapy.extensions.telnet.TelnetConsole': None,
    'csdnpersionalblog.extensions.SpiderOpenCloseLogging': 1
}

# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
ITEM_PIPELINES = {
    # 'csdnpersionalblog.pipelines.CsdnMysqlPipeline': 301,
    # 'csdnpersionalblog.pipelines.JSONPipeline': 300,
    # 'csdnpersionalblog.pipelines.ExcelPipeline': 302,
}

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
# AUTOTHROTTLE_ENABLED = True
# The initial download delay
# AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
# AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
# AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
# AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
HTTPCACHE_ENABLED = True
# HTTPCACHE_EXPIRATION_SECS = 0
# HTTPCACHE_DIR = 'httpcache'
# HTTPCACHE_IGNORE_HTTP_CODES = []
# HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'
# 代理ip
PROXIES = [
    '192.168.10.1',
    '192.168.10.2',
    '192.168.10.3',
    '192.168.10.4',
    '192.168.10.5',
]
# mysql数据库配置
MYSQL_HOST = '127.0.0.1'
MYSQL_PORT = 3306
MYSQL_DB = 'scrapy_csdn'
MYSQL_USER = 'root'
MYSQL_PASSWORD = 'root'
MYSQL_CHARSET = 'utf-8'
# feed exports
# FEEDS 暂时不知道如何使用
# FEEDS = {
#     'ftp://admin:admin@localhost/scraping/feeds/%(name)s/%(time)s.json': {
#         'format': 'json',
#     },
#     '../../output/csdn.json': {
#         'format': 'json',
#         'encoding': 'utf-8'
#     }
# }
# # FEEDS 全局配置
FEED_EXPORTERS = {
    'excel': 'csdnpersionalblog.my_exporters.ExcelItemExporter'
}
FIELDS_TO_EXPORT = ['title', 'publish', 'approval', 'unlike', 'comment', 'collection']
FEED_EXPORT_ENCODING = 'utf-8'

# 使用自定义插件
MYEXT_ENABLED = True
MYEXT_ITEMCOUNT = 10
